AI Voice Generator and Text-to-Speech Tool - Amazon Polly - AWS (original) (raw)

Generate speech in dozens of languages.

Add speech to applications with a global audience, such as RSS feeds, websites, or videos. Make your mobile and IoT applications voice-ready for the future.

Learn more about speech generation.

Engage customers with a natural-sounding voice

Store and replay Amazon Polly speech output to prompt callers through interactive or automated voice response systems. Use AI capabilities to generate voices that emotionally connect with your customers.

Learn more about voice engines

Create audio for media at a fraction of the cost

Create voiceovers for animations, games, and other media directly from your scripts. Use SSML, a W3C standard XML-based markup language, to adjust phrasing, emphasis, and intonation to match the scene. Automatically adjust speech duration to facilitate multilingual dubbing.

Learn more about SSML

Is Amazon Polly text-to-speech free?

Yes. Amazon Polly offers free text-to-speech AI services for one year after you sign up - up to a minimum usage threshold. The threshold varies from 100 thousand characters to 5 million characters depending on the voice engine you choose. For more details, see Amazon Polly pricing.

How many voices does Amazon Polly have?

Amazon Polly offers 60+ male and female standard voices in 40+ language and language variants. AWS is constantly updating and adding to our voice capabilities.

What is the sample rate of Amazon Polly?

Amazon Polly produces MP3, ogg, and other standard audio file formats sampled at 8,000 Hz, 16,000 Hz, and 22,050 Hz.

Does Alexa use Amazon Polly?

No. Alexa and Amazon Polly are different technologies. Alexa is a virtual voice assistant that communicates directly with the user. Amazon Polly is a text-to-speech convertor that organizations use to build voice AI apps at scale.

Is Amazon Polly open source?

No. Amazon Polly is a fully-managed cloud AI service. You communicate with it using APIs in your code. You cannot download or deploy Amazon Polly source code in your environment. However, you can use Amazon Polly for free (up to a pre-determined usage threshold limit) for 12 months from your start. For more details, see Amazon Polly pricing.